In the process of setting up SIPp we came across the following issues:
Setup:
./sipp -sn uac_pcap -i 10.0.0.6 -mp 6000 -trace_err 10.0.0.1
linux (uac) version 1.1rc6
Turion 2x, 512RAM, Debian Linux, 2.4.23 kernel. (runs as root user)
sipp -mi 10.0.0.1 -trace_err -rtp_echo -mp 6000 -sn uas
windows (uas) version 1.1rc8
Athlon, 512RAM, WindowsXP
Errors:
First:
UAS (Win) reports error: Error on RTP echo reception - stopping echo - errno=
4" (sometimes errno=104 and doesn't echo RTP. but it works (accepts calls, and
uac is sending RTP)
However, after error uas continues to work.
Always shows 4 RTP packets received in all tests. (doesn't increase after 4)
Then:
RTP rate reported on UAC is about 5MB per sec, but after some time
UAC crashes with error message: Aborting call on UDP retransmission timeout for
Call-ID '[EMAIL PROTECTED]'., then almost immediately UAS
reports "CPU CONGESTED". (Guess is that this cant be the result of sipp crash
on uac since sipp doesn't send anything after it crashes).
sipp: There were more errors, see scenarioname_pid_errors.log file Segmentation
fault (core dumped)
uac_pcap_22018_errors.log contains many records like:
2007-02-14 15:57:20: Discarding message which can't be mapped to a known SIPp
call:
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.0.0.6:5060;branch=z9hG4bK-24545-9
From: sipp <sip:[EMAIL PROTECTED]:5060>;tag=24545
To: sut <sip:[EMAIL PROTECTED]:5060>;tag=4816SIPpTag0124468
Call-ID: [EMAIL PROTECTED]
CSeq: 2 BYE
Contact: <sip:10.101.23.102:5060;transport=UDP>
Content-Length: 0
and at the end of the file:
2007-02-14 15:57:25: send_packets.c: sendto failed with error: 11.
2007-02-14 15:57:25: send_packets.c: sendto failed with error: 11.
2007-02-14 15:57:25: send_packets.c: sendto failed with error: 11.
2007-02-14 15:57:25: send_packets.c: sendto failed with error: 11.
Note:
(Edited send_packets.c to report errno number, not text). This is "Resource
temporarily unavailable".
With sipp recompiled with ggdb, in debugger see crash at call.cpp:1184,
function call::run, line - scenario[last_send_index] -> nb_timeout ++;
last_send_index = 9, scenario[last_send_index] = NULL.
Thank you for SIPp!
Kevin
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